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For Schematic Diagram
• Refer to page 4-35 for printed wiring board.
• Refer to page 4-89 for waveforms.
2
3
1
VC-234 BOARD(7/13)
(LASER LINK MODEL)
IR TRANSMITTER (IR BLOCK)
A
-REF.NO.:1000 SERIES-
XX MARK:NO MOUNT
A_4.75V
90
TO(13/13)
REG_GND
B
R760
R755
18k
VIDEO_CAR
R756
4700
42
VIDEO_DEV
TO(8/13)
C753
R757
0.01u
4700
AUDIO_DEV
C
D
36
TO(5/13,6/13)
IR_VIDEO
IR_L
37
TO(12/13)
E
IR_R
R759
R758
XX
XX
F
41
FSC
TO(2/13,12/13)
G
IR_ON
43
TO(11/13)
SIRCS_PWM
16
4
5
6
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
L754
10uH
C763
C764
0.01u
10u
6.3V
B
A:ROHM
C761
C762
0.01u
510p
15k
B
CH
R764
C759
0.01u
B
C760
4.7u
6.3V
B
TA
36
35
34
C782
1u
6.3V
0.7
B
CLAMP C1
1608
NC
0.8
C751
V DEV ADJ
10u
4V
NC
0.9
42
V IN
2.3
REG
NC
C757
2.7
1u
C754
REF
16V
0.7
TA
0.47u
A
B
A DEV ADJ
2.3
Lch IN
0
ALC C
2.3
Rch IN
C755
0.47u
B
C758
C752
R761
1u
1
2
3
10u
1M
B
6.3V
1608
R763
22k
± 0.5%
R777
0
4-21
7
8
9
L751
C771
C773
C768
5.6uH
33p
8p
39p
2520
CH
CH
CH
330
L752
L753
33uH
33uH
2520
2520
C767
R767
0.1u
470
B
33
32
31
30
29
28
27
26
25
DRV CL OUT
7.1
41
NC
DRV EM OUT
0.5
IC751
DRV SW
4.5
MIX OUT
1.3
R773
470
IC751
NC
AN2920FHQ-EB
MIX IN
C756
1.3
R771
0.1u
B
NC
560
VRF OUT
1.4
ARF OUT
2.9
R772
C777
40
STBY
6800
0.01u
3.0
B
CHUP C
3.6
4
5
6
7
8
9
10 11 12
C778
0.01u
B
R770
150k
C765
R768
0.01u
150k
C772
R774
C775
B
1u
R766
39k
0.1u
B
0
B
1608
C774
1u
C766
C769
C770
B
R776
1u
0.47u
0.47u
1608
XX
B
B
B
1608
CCD-TR317E/TR417E/TR427E/TR617E/TR717E/TR918E/
TRV37E/TRV47E/TRV48E/TRV57E/TRV67E/TRV87E
10
11
12
LASER LINK MODEL : CCD-TR918E/TRV87E
SIGNAL PATH
VIDEO SIGNAL
AUDIO
CHROMA
Y
Y/CHROMA
SIGNAL
REC
PB
IR_DRV_CL
38
TO(12/13)
IR_DRV_EM
R762
XX
C781
22u
4V
A
TA
R775
0
EXCEPT LASER LINK MODEL
4-22
IR TRANSMITTER
VC-234 (7/13)
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